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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C From: Suravee Suthikulpanit To: CC: , , , , , , , , , , , , Suravee Suthikulpanit Subject: [PATCH v6 1/2] hw/i386/pc: Default to use SMBIOS 3.0 for newer machine models Date: Wed, 7 Jun 2023 15:57:16 -0500 Message-ID: <20230607205717.737749-2-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230607205717.737749-1-suravee.suthikulpanit@amd.com> References: <20230607205717.737749-1-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT046:EE_|CO6PR12MB5458:EE_ X-MS-Office365-Filtering-Correlation-Id: 0a45945e-30c4-4ad5-ec13-08db6799d15a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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envelope-from=Suravee.Suthikulpanit@amd.com; helo=NAM12-BN8-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1686171496781100002 Content-Type: text/plain; charset="utf-8" Currently, pc-q35 and pc-i44fx machine models are default to use SMBIOS 2.8 (32-bit entry point). Since SMBIOS 3.0 (64-bit entry point) is now fully supported since QEMU 7.0, default to use SMBIOS 3.0 for newer machine models. This is necessary to avoid the following message when launching a VM with large number of vcpus. "SMBIOS 2.1 table length 66822 exceeds 65535" Signed-off-by: Suravee Suthikulpanit Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Igor Mammedov --- hw/i386/pc.c | 4 +++- hw/i386/pc_piix.c | 5 +++++ hw/i386/pc_q35.c | 5 +++++ include/hw/i386/pc.h | 1 + 4 files changed, 14 insertions(+), 1 deletion(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index bb62c994fa..33ffb03a32 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1853,6 +1853,7 @@ static void pc_machine_set_max_fw_size(Object *obj, V= isitor *v, static void pc_machine_initfn(Object *obj) { PCMachineState *pcms =3D PC_MACHINE(obj); + PCMachineClass *pcmc =3D PC_MACHINE_GET_CLASS(pcms); =20 #ifdef CONFIG_VMPORT pcms->vmport =3D ON_OFF_AUTO_AUTO; @@ -1860,7 +1861,7 @@ static void pc_machine_initfn(Object *obj) pcms->vmport =3D ON_OFF_AUTO_OFF; #endif /* CONFIG_VMPORT */ pcms->max_ram_below_4g =3D 0; /* use default */ - pcms->smbios_entry_point_type =3D SMBIOS_ENTRY_POINT_TYPE_32; + pcms->smbios_entry_point_type =3D pcmc->default_smbios_ep_type; =20 /* acpi build is enabled by default if machine supports it */ pcms->acpi_build_enabled =3D PC_MACHINE_GET_CLASS(pcms)->has_acpi_buil= d; @@ -1980,6 +1981,7 @@ static void pc_machine_class_init(ObjectClass *oc, vo= id *data) mc->nvdimm_supported =3D true; mc->smp_props.dies_supported =3D true; mc->default_ram_id =3D "pc.ram"; + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_64; =20 object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, "size", pc_machine_get_max_ram_below_4g, pc_machine_set_max_ram_below_4g, diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index d5b0dcd1fe..49462b0e29 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -476,11 +476,16 @@ DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, =20 static void pc_i440fx_8_0_machine_options(MachineClass *m) { + PCMachineClass *pcmc =3D PC_MACHINE_CLASS(m); + pc_i440fx_8_1_machine_options(m); m->alias =3D NULL; m->is_default =3D false; compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); + + /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_32; } =20 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 6155427e48..6b9fd4d537 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -387,10 +387,15 @@ DEFINE_Q35_MACHINE(v8_1, "pc-q35-8.1", NULL, =20 static void pc_q35_8_0_machine_options(MachineClass *m) { + PCMachineClass *pcmc =3D PC_MACHINE_CLASS(m); + pc_q35_8_1_machine_options(m); m->alias =3D NULL; compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); + + /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */ + pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_32; } =20 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL, diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index c661e9cc80..6eec0fc51d 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -110,6 +110,7 @@ struct PCMachineClass { bool smbios_defaults; bool smbios_legacy_mode; bool smbios_uuid_encoded; + SmbiosEntryPointType default_smbios_ep_type; 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envelope-from=Suravee.Suthikulpanit@amd.com; helo=NAM12-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1686171476786100001 Since KVM_MAX_VCPUS is currently defined to 1024 for x86 as shown in arch/x86/include/asm/kvm_host.h, update QEMU limits to the same number. In case KVM could not support the specified number of vcpus, QEMU would return the following error message: qemu-system-x86_64: kvm_init_vcpu: kvm_get_vcpu failed (xxx): Invalid arg= ument Also, keep max_cpus at 288 for machine version 8.0 and older. Cc: Igor Mammedov Cc: Daniel P. Berrang=C3=A9 Cc: Michael S. Tsirkin Cc: Julia Suvorova Reviewed-by: Igor Mammedov Signed-off-by: Suravee Suthikulpanit Reviewed-by: Daniel P. Berrang=C3=A9 --- hw/i386/pc_q35.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 6b9fd4d537..b26fd9bbaf 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -368,12 +368,12 @@ static void pc_q35_machine_options(MachineClass *m) m->default_nic =3D "e1000e"; m->default_kernel_irqchip_split =3D false; m->no_floppy =3D 1; + m->max_cpus =3D 1024; m->no_parallel =3D !module_object_class_by_name(TYPE_ISA_PARALLEL); machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); - m->max_cpus =3D 288; } =20 static void pc_q35_8_1_machine_options(MachineClass *m) @@ -396,6 +396,7 @@ static void pc_q35_8_0_machine_options(MachineClass *m) =20 /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */ pcmc->default_smbios_ep_type =3D SMBIOS_ENTRY_POINT_TYPE_32; + m->max_cpus =3D 288; } =20 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL, --=20 2.34.1